It's a sales tactic that has worked well over the decades, give people a scape goat then sell the cure and the cure is always "just give us all the power and control, don't worry we are good guys, we only want to take care of you".

Every lease/state law is different but you will probably need to submit some form of documentation and then a cure time.If the threats are serious enough, have Tenant 2 order a restraining order.To answer your question: do you just start the eviction process? 

You only pay the Dr if the treatment cures you?

People will start spending like drunken sailors because they never learn and assume the government will always be there to bail them out (despite the fact our government is the cause of the mess, not the cure).

If you have several properties versus one they are more likely to work with you.You can sell one off to cure another loan.

Joe's lease has provisions against this, so I properly serve him a "10 day notice to cure" using a process server ($$).

Once you learn to cure title defects and strip liens, there’s an unlimited amount of properties to buy.

Not sure about your local market conditions, but in mine, no bank will entertain offers (even if all cash) that much below ask price without it getting some time on the MLS.That is why having the relationship could be your cure all in this scenario.

Our owners are paid out on the 15th and I want to be sure if we have a bounced check there is enough time to collect to avoid shorting the owner their mortgage payment.  3 Day notices to Cure or Quit are posted on Day 7 after the full $100 is charged. 

Yes, agents send out yellow letters, they drive for dollars, they estimate rehabs, they look for buyers, they cure title issues, they even wash their car.